28 					   BITS_PER_LONG) * sizeof(*nand->bbt.cache);  in nanddev_read_bbt()
37 	if (!nand->bbt.cache)  in nanddev_read_bbt()
80 	if (update && version > nand->bbt.version) {  in nanddev_read_bbt()
81 		memcpy(nand->bbt.cache, data_buf, nbytes);  in nanddev_read_bbt()
82 		nand->bbt.version = version;  in nanddev_read_bbt()
97 					   BITS_PER_LONG) * sizeof(*nand->bbt.cache);  in nanddev_write_bbt()
106 	BBT_DBG("write_bbt to blk=%d ver=%d\n", block, nand->bbt.version);  in nanddev_write_bbt()
107 	if (!nand->bbt.cache)  in nanddev_write_bbt()
130 	memcpy(data_buf, nand->bbt.cache, nbytes);  in nanddev_write_bbt()
132 	bbt_info->version = nand->bbt.version;  in nanddev_write_bbt()
182  * nanddev_scan_bbt_in_flash() - Scan for a BBT in the flash
185  * Scan a bbt in flash, if not exist, format one.
195 	nand->bbt.version = 0;  in nanddev_scan_bbt_in_flash()
200 	if (nand->bbt.version == 0) {  in nanddev_scan_bbt_in_flash()
204 			nand->bbt.option = 0;  in nanddev_scan_bbt_in_flash()
209 	nand->bbt.option |= NANDDEV_BBT_SCANNED;  in nanddev_scan_bbt_in_flash()
216  * nanddev_bbt_in_flash_update() - Update a BBT
219  * Update the BBT to flash.
225 	if (nand->bbt.option & NANDDEV_BBT_SCANNED) {  in nanddev_bbt_in_flash_update()
259 			nand->bbt.version++;  in nanddev_bbt_in_flash_update()